CN215633534U - Impeller locking device - Google Patents

Abstract

The utility model relates to the technical field of wind power generation, in particular to an impeller locking device; the utility model provides an impeller locking device which is used for locking an impeller of a wind generating set, wherein the wind generating set comprises a stator and a main shaft, the main shaft is rotatably connected with the stator, and the impeller locking device also comprises a barring power device which is used for driving the impeller to rotate and is connected with a high-speed shaft; in actual use, the turning power device is arranged to drive the main shaft to rotate, so that the technical problem that in the prior art, when the impeller is locked by people, the turning is manually carried out at the high-speed shaft, so that the time and labor are wasted by people is solved, and the efficiency is improved; in addition, through setting up impeller locking portion and impeller alignment portion to when solving the manpower barring, still further use manpower sparingly, need not to rotate the lockpin through the manpower promptly and judge whether work such as the impeller is aimed at, thereby make whole operation process become and accomplish a series of work such as barring and locking alone.

Description

Impeller locking device

Technical Field

The utility model relates to the technical field of wind power generation, in particular to an impeller locking device.

Background

The wind generating set comprises a wind wheel (impeller) and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; the wind driven generator has the functions of generating electricity by the rotation of blades under the action of wind power, rotating the head of the generator and the like; the wind power generation power supply comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like.

In recent years, wind power generation technology has been rapidly developed as it is widely regarded by governments of various countries; during the installation, debugging and daily maintenance of the wind generating set, the impeller locking operation is required to be carried out firstly so as to ensure the safety of operators and set equipment; however, the current primary mode of operation of locking the impeller is still manual turning at the high speed shaft; in addition, the work of rotating the lock pin, judging whether the impeller is aligned and the like is also manually finished, so that the whole operation process needs to be finished by multiple people, and the time and the labor are wasted for people.

Disclosure of Invention

The impeller locking device provided by the utility model can solve the technical problem that people are time-consuming and labor-consuming because people manually turn the vehicle at a high-speed shaft when the impeller is locked in the prior art;

the utility model provides an impeller locking device, which is used for locking an impeller of a wind generating set, wherein the wind generating set comprises a stator and a main shaft, the main shaft is rotatably connected with the stator, and the impeller locking device is characterized by also comprising:

and the barring power device is used for driving the impeller to rotate and is connected with the high-speed shaft.

As another embodiment, the method further includes:

and the impeller locking part is used for realizing the locking of the impeller.

As a further embodiment, the impeller locking portion includes:

and the linear motion mechanism is used for performing linear reciprocating motion and can be inserted into the locking hole of the impeller so as to realize the locking of the impeller.

As another embodiment, the linear motion mechanism includes:

a motor;

the screw rod is connected with the motor;

and the lock cylinder is sleeved on the screw rod and used for performing linear reciprocating motion and can be inserted into the locking hole of the impeller so as to lock the impeller.

As another embodiment, the method further includes:

the motor is connected with the screw rod through the speed reducer.

As another embodiment, the method further includes:

and the impeller alignment part is used for realizing the automatic alignment of the impeller and is arranged adjacent to the impeller.

As a further embodiment, the impeller alignment portion includes:

a sensor holder disposed adjacent to the impeller;

the laser emitter is arranged on one side of the sensor bracket;

the laser receiver is arranged on the other side of the sensor bracket;

the controller is connected with the laser receiver and the motor;

the laser emitter and the laser receiver are located on two sides of the locking hole, and gaps exist between the laser emitter and the laser receiver and the impeller.

As another embodiment, the controller is further connected to the barring power device for driving the barring power device to turn off when the laser receiver receives the signal of the laser transmitter.

In another embodiment, the device further comprises a brake device connected with the controller.

As another embodiment, the number of the laser transmitters and the laser receivers is 2, and the laser transmitters and the laser receivers are respectively and correspondingly arranged at the top and the middle of the sensor bracket.

Advantageous effects

The utility model provides an impeller locking device which is used for locking an impeller of a wind generating set, wherein the wind generating set comprises a stator and a main shaft, the main shaft is rotatably connected with the stator, and the impeller locking device also comprises a barring power device which is used for driving the impeller to rotate and is connected with a high-speed shaft; in actual use, the turning power device is arranged to drive the main shaft to rotate, so that the technical problem that in the prior art, when the impeller is locked by people, the turning is manually carried out at the high-speed shaft, so that the time and labor are wasted by people is solved, and the efficiency is improved; in addition to this, the present invention is,

through setting up impeller locking portion and impeller alignment portion to when solving the manpower barring, still further use manpower sparingly, need not to rotate the lockpin promptly through the manpower and judge whether work such as the impeller is aimed at, thereby make whole operation process become and accomplish a series of work such as barring and locking alone.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an impeller locking device provided in the present invention;

FIG. 2 is a schematic perspective view of the barring gear of the present invention;

FIG. 3 is a schematic perspective view of the barring gear of the present invention;

FIG. 4 is a schematic perspective view of an impeller locking portion and a decelerator according to the present invention

Fig. 5 is a schematic perspective view of the brake apparatus of the present invention.

Description of reference numerals:

1. an impeller;

2. a main shaft;

3. a barring power device;

4. an impeller locking portion; 41. a linear motion mechanism; 411. a motor; 412. a screw rod; 413. a lock cylinder;

5. a speed reducer;

6. an impeller alignment portion; 61. a sensor holder; 62. a laser transmitter; 63. a laser receiver;

7. provided is a brake device.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "plurality" means 2 or more, unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection can be direct connection or indirect connection through an intermediate medium, and the connection can be internal to 2 elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As used herein, the controller may be implemented by a device or apparatus having an automatic control function, such as a single chip microcomputer or a PC;

in addition, for the convenience of understanding of those skilled in the art, the use scenario will be further described, specifically, generally, the impeller 1 of the wind turbine generator set is connected to the gear box through the main shaft 2, and the gear box is connected to the generator set through the high-speed shaft, wherein the high-speed shaft and the generator set may be connected through a chain to generate electricity; when the position of the impeller 1 needs to be adjusted during shutdown maintenance, the high-speed shaft is usually rotated to reversely drive the impeller 1 to rotate, so that turning is realized; it should be understood by those skilled in the art that fig. 1 is a schematic structural diagram, and the main shaft 2 in fig. 1 is actually composed of a main shaft, a gear box, a high-speed shaft and the like.

As shown in fig. 1 to 5, the impeller 1 locking device provided by the present invention is used for locking an impeller 1 of a wind turbine generator system, the wind turbine generator system includes a stator and a main shaft 2, the main shaft 2 is rotatably connected with the stator, and the present invention further includes a turning power device 3 for driving the impeller 1 to rotate and connected with a high-speed shaft; in actual use, the barring power device 3 is arranged to drive the high-speed shaft to rotate, so that the technical problem that in the prior art, when people lock the impeller 1, people are time-consuming and labor-consuming due to manual barring at the high-speed shaft is solved, and further efficiency is improved;

the barring power device 3 may specifically include a motor, a speed reducer, and an output gear, and the output shaft of the motor is connected with the input shaft of the speed reducer for driving; the speed reducer adopts a gear speed reduction mode to increase the rotating torque, an output gear is arranged on an output shaft of the speed reducer, and the main shaft 2 is driven to rotate through gear meshing; of course, those skilled in the art can also set other suitable types according to actual needs, as long as the corresponding action, function or effect can be achieved, or adopt a conventional barring gear 3, such as the one disclosed in the publication No. CN 206368782U; wherein the content of the first and second substances,

in order to realize the locking of the impeller 1, the impeller locking part 4 is also included for realizing the locking of the impeller 1; in practical use, when people find that the impeller 1 is aligned in the turning process, the impeller 1 can be locked through the impeller locking part 4;

specifically, the impeller locking portion 4 includes a linear motion mechanism 41, and the linear motion mechanism 41 is configured to perform linear reciprocating motion, and is insertable into a locking hole of the impeller 1 to lock the impeller 1; in practical use, the impeller 1 is locked by inserting the impeller 1 into a locking hole; it should be understood that "the impeller locking part 4 includes the linear motion mechanism 41, and the linear motion mechanism 41 is used for performing the linear reciprocating motion, and can be inserted into the locking hole of the impeller 1 to further achieve the locking of the impeller 1" merely as a preference, and in one embodiment, a person skilled in the art can also set other suitable types according to actual needs as long as the corresponding action, function or effect can be achieved;

then, the linear motion mechanism 41 includes a motor 411, a lead screw 412 and a lock cylinder 413, and the lead screw 412 is connected with the motor 411; the lock cylinder 413 is sleeved on the screw rod 412, and the lock cylinder 413 is used for performing linear reciprocating motion and can be inserted into a locking hole of the impeller 1, so that the impeller 1 is locked; in practical use, the motor 411, the screw 412 and the lock cylinder 413 are specially arranged by utilizing the characteristic that the screw 412 can convert rotary motion into linear motion, that is, when the motor 411 rotates, the screw 412 is driven to rotate, and then the lock cylinder 413 on the screw 412 makes linear motion on the screw 412; it should be understood that "the linear motion mechanism 41 includes a motor 411, a lead screw 412 and a key cylinder 413, the lead screw 412 is connected with the motor 411; the lock cylinder 413 is sleeved on the screw rod 412, and the lock cylinder 413 is used for performing linear reciprocating motion and can be inserted into a locking hole of the impeller 1, so that locking of the impeller 1 is realized, and only as a preference, in one embodiment, a person skilled in the art can set other suitable types according to actual needs as long as corresponding functions, functions or effects can be realized, for example, an electric push rod, an electric cylinder, a linear motor 411, a gear paper slip, a hydraulic cylinder, an air cylinder or an air pressure support rod and the like can be adopted to realize linear motion;

a speed reducer 5 is further included, and the motor 411 is connected with the screw rod 412 through the speed reducer 5; in practical use, the speed reducer 5 changes the rotation input of the input shaft of the motor 411 into rotation output along the radial direction of the main shaft 2, and meanwhile, as the speed reducer 5 usually adopts gear reduction, the rotation torque can be increased, and the torque required by the input shaft is reduced; an output shaft of the speed reducer 5 drives the screw rod 412 to rotate, and the lock cylinder 413 on the screw rod 412 moves axially and is inserted into a locking hole of the impeller 1 to lock the impeller 1; it should be understood that "further including the speed reducer 5, the motor 411 being connected to the screw 412 through the speed reducer 5" is merely preferable, and in one embodiment, a person skilled in the art may also set other suitable types according to actual needs, as long as the corresponding function, function or effect can be achieved.

As another embodiment, the device further comprises an impeller alignment part 6 for realizing automatic alignment of the impeller 1, and the impeller alignment part is arranged adjacent to the impeller 1; in practical use, the impeller aligning part 6 is arranged to change the aligning mode of the traditional impeller 1, namely, the aligning can be realized without depending on eyeballs of people; it should be understood that "an impeller aligning part 6 is further included for achieving automatic alignment of the impeller 1, and is disposed adjacent to the impeller 1" only as a preference, and in one embodiment, a person skilled in the art may also arrange other suitable types according to actual needs as long as the corresponding action, function or effect can be achieved;

specifically, the impeller aligning section 6 includes a sensor holder 61, a laser transmitter 62, a laser receiver 63, and a controller, the sensor holder 61 being disposed adjacent to the impeller 1; the laser emitter 62 is arranged on one side of the sensor holder 61; the laser receiver 63 is arranged on the other side of the sensor bracket 61; the controller is connected with the laser receiver 63 and the motor 411; wherein, the laser emitter 62 and the laser receiver 63 are positioned at two sides of the locking hole, and a gap exists between the laser emitter 62 and the laser receiver 63 and the impeller 1; in actual use, the main function of the sensor bracket 61 is to facilitate people to install the laser transmitter 62, the laser receiver 63 and the controller; the sensor bracket 61 can be mounted at a position such as a frame or a bearing seat for fixation in actual use; the laser emitter 62 and the laser receiver 63 are used for detecting the position of the impeller 1, specifically, the impeller 1 rotates between the laser emitter 62 and the laser receiver 63 along with the rotation of the impeller 1, because the impeller 1 is provided with a locking hole, when the laser emitter 62 emits a signal towards the laser receiver 63, if the laser emitter 62 irradiates the disk surface of the impeller 1, the laser receiver 63 cannot receive the signal of the laser emitter 62, and if the laser emitter 62 emits a signal through the locking hole, the laser receiver 63 receives the signal of the laser emitter 62 and controls the motor 411 through the controller, so that the lock cylinder 413 is accurately inserted into the locking hole, thereby realizing alignment work, i.e. alignment can be realized without depending on the eyeballs of people; it should be understood that the "impeller aligning portion 6 includes a sensor holder 61, a laser transmitter 62, a laser receiver 63, and a controller, the sensor holder 61 being disposed adjacent to the impeller 1; the laser emitter 62 is arranged on one side of the sensor holder 61; the laser receiver 63 is arranged on the other side of the sensor bracket 61; the controller is connected with the laser receiver 63 and the motor 411; the laser emitter 62 and the laser receiver 63 are located at two sides of the locking hole, and there is a gap between the laser emitter 62 and the laser receiver 63 and the impeller 1 "only as an optimization, in one embodiment, a person skilled in the art may also set the laser emitter 62 and the laser receiver 63 as other suitable types according to actual needs as long as the corresponding action, function or effect can be achieved; wherein the content of the first and second substances,

the controller is also connected with the barring power device 3 and is used for driving the barring power device 3 to be closed when the laser receiver 63 receives the signal of the laser transmitter 62; in practical use, when the laser emitter 62 emits a signal through the locking hole, the laser receiver 63 receives the signal from the laser emitter 62 and controls the motor 411 through the controller, and at the same time, the controller controls the barring power device 3 to stop barring at the same time, so as to prevent the barring power device 3 from driving the impeller 1 to rotate during barring to cause damage to the lock cylinder 413 inserted into the locking hole (for example, the lock cylinder 413 is bent or broken due to too fast rotation speed or too large force of the impeller 1); it should be understood that the "controller is also connected to the barring power device 3, and is used for driving the barring power device 3 to be turned off when the laser receiver 63 receives the signal of the laser transmitter 62" only as a preference, and in one embodiment, a person skilled in the art may also set the device to be of another suitable type according to actual needs, as long as the corresponding action, function or effect can be achieved;

certainly, when the controller drives the barring power device 3 to be closed, the impeller 1 can continue to rotate under the action of inertia, and at the moment, in order to further prevent the lock cylinder 413 inserted into the locking hole from being damaged due to the rotation of the impeller 1, the barring gear further comprises a brake device 7 connected with the controller; it should be understood that "further including the brake device 7, connected to the controller" is only preferred, and in one embodiment, a person skilled in the art may also set other suitable types according to actual needs, as long as the corresponding action, function or effect can be achieved, such as by using mechanical friction brake or the like, or by using the brake device 7 of the wind power generator 411 provided in the publication number CN 201198815Y;

in addition, the number of the laser transmitters 62 and the laser receivers 63 is 2, and the laser transmitters and the laser receivers are respectively and correspondingly arranged at the top and the middle of the sensor bracket 61; in practical use, when the impeller 1 rotates to a certain position, the laser receiver 63 at the top of the impeller 1 receives a signal of the top laser emitter 62 in advance, which indicates that the impeller 1 is about to reach a locking position, at this time, the controller can turn on the barring power device 3 to stop barring, then the impeller 1 continues to rotate under the action of inertia, and then when the laser receiver 63 at the middle position of the sensor support 61 receives a signal of the corresponding laser emitter 62, at this time, it indicates that the impeller 1 has reached the locking position, that is, the controller can drive the brake device 7 (preferably, the hydraulic brake device 7), the hydraulic station pressurizes, the brake caliper clasps, and finally the main shaft 2 stops rotating; after braking, the lock cylinder 413 can be inserted into the locking hole through the controller, and finally the impeller 1 is locked; it should be understood that "the number of the laser transmitters 62 and the laser receivers 63 is 2, and the laser transmitters and the laser receivers are respectively correspondingly arranged at the top and the middle of the sensor bracket 61" only as a preference, and in one embodiment, the skilled person can also arrange the laser transmitters and the laser receivers into other suitable types according to actual needs as long as the corresponding functions, functions or effects can be achieved;

and, be convenient for people remote control, can also set up the Lora module of being connected with the controller.

According to the impeller 1 locking device provided by the utility model, 2 laser transmitters 62 and 2 laser receivers 63 are respectively arranged, so that the damage of the lock cylinder 413 inserted into the locking hole due to the fact that the impeller 1 continuously rotates under the inertia effect after the barring power device 3 stops barring can be effectively avoided.

As another embodiment, a person skilled in the art may also provide a positioning switch at the end of the key cylinder 413 to prevent the locking phenomenon of the matching profile between the key cylinder 413 and the locking hole due to over-matching; the positioning switch may specifically be a contact sensor, and when the lock cylinder 413 reaches a certain depth in the locking hole, the positioning switch contacts with the inner end surface of the locking hole, so as to trigger the positioning switch; when the positioning switch is triggered, an in-place signal is immediately sent to the controller, and the controller stops driving the lock cylinder 413 after receiving the in-place signal.

In summary, the impeller 1 locking device provided by the utility model is used for locking an impeller 1 of a wind generating set, the wind generating set comprises a stator and a main shaft 2, the main shaft 2 is rotatably connected with the stator, and the turning power device 3 is used for driving the impeller 1 to rotate and is connected with a high-speed shaft; in actual use, the turning power device 3 is arranged to drive the main shaft 2 to rotate, so that the technical problem that in the prior art, when people lock the impeller 1, turning is carried out at a high-speed shaft manually, so that people waste time and labor is solved, and further efficiency is improved; in addition, through setting up impeller locking portion 4 and impeller alignment portion 6 to when solving the manpower barring, still further use manpower sparingly, need not to rotate the lockpin through the manpower promptly and judge whether work such as aligning of impeller 1, thereby make whole operation process become and accomplish a series of work such as barring and locking alone.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (5)

1. An impeller (1) locking device for locking an impeller (1) of a wind power plant, the wind power plant comprising a stator and a main shaft (2), the main shaft (2) being rotatably connected with the stator, characterized in that it further comprises:

the barring power device (3) is used for driving the impeller (1) to rotate and connected with the high-speed shaft;

an impeller locking portion (4) for achieving locking of the impeller (1);

the linear motion mechanism (41) is used for performing linear reciprocating motion and can be inserted into a locking hole of the impeller (1) so as to realize the locking of the impeller (1);

the linear motion mechanism (41) includes: a motor (411); a screw (412) connected to the motor (411); the lock cylinder (413) is sleeved on the screw rod (412), and the lock cylinder (413) is used for performing linear reciprocating motion and can be inserted into a locking hole of the impeller (1) so as to lock the impeller (1);

further comprising: the impeller alignment part (6) is used for realizing automatic alignment of the impeller (1) and is arranged adjacent to the impeller (1);

the impeller alignment portion (6) includes:

a sensor holder (61) disposed adjacent to the impeller (1);

a laser transmitter (62) disposed at one side of the sensor holder (61);

a laser receiver (63) disposed at the other side of the sensor holder (61);

a controller connected with the laser receiver (63) and the motor (411);

wherein the laser transmitter (62) and the laser receiver (63) are positioned on two sides of the locking hole, and a gap exists between the laser transmitter (62) and the laser receiver (63) and the impeller (1).

2. An impeller (1) locking device according to claim 1, characterized by further comprising:

the motor (411) is connected with the screw rod (412) through the speed reducer (5).

3. An impeller (1) locking device according to claim 1, characterized in that the controller is further connected to the barring power device (3) for driving the barring power device (3) to turn off when the laser receiver (63) receives the signal of the laser transmitter (62).

4. An impeller (1) locking device according to claim 1, characterized in that it further comprises braking means (7) connected to said controller.

5. The impeller (1) locking device according to claim 1, characterized in that the number of the laser transmitters (62) and the laser receivers (63) is 2, respectively arranged at the top and the middle of the sensor support (61).

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